C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/10 (2006.01) C10M 129/76 (2006.01) C10M 137/04 (2006.01)
Patent
CA 2716473
The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) a phosphorus compound. The invention further provides lubricating compositions containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes (a) derivatives of a carboxylic acid (typically a hydroxycarboxylic acid); and (b) an amine or metal salt of a phosphorus compound that is either (i) a hydroxy-substituted di- ester of (thio)phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri- ester of (thio)phosphoric acid.
Le procédé de la présente invention, qui est destiné à un équipement de chaîne cinématique, consistant à fournir à l'équipement de chaîne cinématique une composition lubrifiante contenant, d'une part une huile de viscosité lubrifiante, et d'autre part un ensemble anti-usure réunissant: (a) des dérivés d'un acide carboxylique (en général un acide hydroxycarboxylique); et un composé phosphoré. L'invention concerne également des compositions lubrifiantes contenant une huile de viscosité lubrifiante et un ensemble anti-usure. Cet ensemble anti-usure réunit: (a) des dérivés d'un acide carboxylique (en général un acide hydroxycarboxylique) et (b) une amine ou un sel de métal d'un composé phosphoré, en l'occurrence, soit (i) un diester hydroxy-substitué d'acide (thio)-phosphorique, soit un diester ou un triester hydroxy-substitué phosphorylé d'acide (thio)-phosphorique.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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